coefficient of wool density 被毛密度系数
But the quality of the rock wool quality can vary widely, heat preservation function good density low, the tensile strength is also low, durability is poorer.
但岩棉的质量优劣相差很大，保温机能好的密度低，其抗拉强度也低，耐久性比较差。
Work space is insulated from the outer cabinet with one inch of high density mineral wool, and interiors are made of corrosive-resistant aluminized steel.
工作空间是由一绝缘高密度玻璃棉英寸外柜，和内饰是腐蚀性，耐渗铝钢制成。
The making of same spinneret differential linear density and differential shrinkage filaments is of great value to the wool-like researches of man-made filaments.
在化纤长丝短纤维化的研究工作中，同板异纤度异收缩丝的制取具有重要意义。
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